Easily the strongest Alizarin you can find. Incredibly beautiful, this shade is versatile because it can go sweet (pink) or sour (orange) very easily, depending on how it's used. Series: 4 CI Number: NA CI Name: PR83 Pigment Name: 1, 2 Dihydroxy, Anthraquinone Lightfastness: ASTM III - Fair Opacity: Transparent Grind: Medium